Notes on the Mniotiltidæ of Western Pennsylvania. Helmitherus vermivorus
Article
1891
The Auk
8
397--399
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/121883 DOI: https://doi.org/10.2307/4068155
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